//------------------------------------------------------------------------------
// The contents of this file are subject to the nopCommerce Public License Version 1.0 ("License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at  http://www.nopCommerce.com/License.aspx. 
// 
// Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. 
// See the License for the specific language governing rights and limitations under the License.
// 
// The Original Code is nopCommerce.
// The Initial Developer of the Original Code is NopSolutions.
// All Rights Reserved.
// 
// Contributor(s): _______. 
//------------------------------------------------------------------------------

using System;
using NopSolutions.NopCommerce.BusinessLogic;
using NopSolutions.NopCommerce.BusinessLogic.SEO;
using NopSolutions.NopCommerce.Common.Utils;
using NopSolutions.NopCommerce.BusinessLogic.Model;


namespace NopSolutions.NopCommerce.Web
{
    public partial class CheckoutPage : BaseNopFrontendPage
    {
        protected ShoppingCart cart = null;

        protected override void OnInit(EventArgs e) {
            base.OnInit(e);

            Load += new EventHandler(CheckoutPage_Load);
        }

        void CheckoutPage_Load(object sender, EventArgs e) {
            CommonHelper.SetResponseNoCache(Response);

            if (this.Cart.Count == 0)
                Response.Redirect(SEOHelper.GetShoppingCartUrl());

            //user validation
            if (NopContext.Current.User == null && this.CustomerService.AnonymousCheckoutAllowed) {
                //create anonymous record
                this.CustomerService.CreateAnonymousUser();
            }

            if ((NopContext.Current.User == null) || (NopContext.Current.User.IsGuest && !this.CustomerService.AnonymousCheckoutAllowed)) {
                string loginURL = SEOHelper.GetLoginPageUrl(true);
                Response.Redirect(loginURL);
            }

            //reset checkout data
            this.CustomerService.ResetCheckoutData(NopContext.Current.User.CustomerId, false);


            //validation
            var scWarnings = this.ShoppingCartService.GetShoppingCartWarnings(Cart, NopContext.Current.User.CheckoutAttributes, true);
            if (scWarnings.Count > 0) {
                Response.Redirect(SEOHelper.GetShoppingCartUrl());
            }
            else {
                foreach (ShoppingCartItem sci in this.Cart) {
                    var sciWarnings = this.ShoppingCartService.GetShoppingCartItemWarnings(
                        sci.ShoppingCartType,
                            sci.ProductVariantId,
                            sci.AttributesXml,
                            sci.CustomerEnteredPrice,
                            sci.Quantity);
                    if (sciWarnings.Count > 0) {
                        Response.Redirect(SEOHelper.GetShoppingCartUrl());
                    }
                }
            }

            if (this.SettingManager.GetSettingValueBoolean("Checkout.UseOnePageCheckout")) {
                Response.Redirect("~/checkoutonepage.aspx");
            }
            else {
                Response.Redirect("~/checkoutshippingaddress.aspx");
            }
        }

        public ShoppingCart Cart {
            get {
                if (cart == null) {
                    cart = this.ShoppingCartService.GetCurrentShoppingCart(ShoppingCartTypeEnum.ShoppingCart);
                }
                return cart;
            }
        }

        public override PageSslProtectionEnum SslProtected {
            get {
                return PageSslProtectionEnum.Yes;
            }
        }
    }
}